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Table 4 Correlation (Pearson’s correlation coefficients) between MBIPQ and self-efficacy, medication adherence, quality of life, depressive symptoms, diabetes-related distress and HbA1c

From: Validity and reliability of a Malay version of the brief illness perception questionnaire for patients with type 2 diabetes mellitus

No. MBIPQ Item Self-efficacy Medication adherence Quality of life Depressive symptoms Total DDS-17 HbA1c
1. Consequences −0.05 −0.09 −0.17** 0.21** 0.28** 0.10
2. Timeline 0.10 0.10a 0.05 −0.11b −0.15** −0.09
3. Personal Control 0.35** 0.23** 0.31** −0.12* −0.23** −0.13*
4. Treatment Control 0.26** 0.29** 0.31** −0.18** −0.17** −0.16**
5. Identity −0.13* −0.04 −0.17* 0.16** 0.23** 0.09
6. Concern 0.05 −0.04 −0.09 0.21** 0.28** 0.23**
7. Understanding 0.35** −0.06 0.14* −0.03 0.004 0.12*
8. Emotional Response −0.02 −0.10 −0.18** 0.29** 0.28** 0.15**
  1. MBIPQ Malay version of the Brief Illness Perception Questionnaire, DDS-17 the 17-item Diabetes Distress Scale
  2. * p value <0.05, ** p value <0.01
  3. a Spearman correlations was 0.15 at p = 0.010
  4. bSpearman correlations was −0.20 at p < 0.01